arrangement not yet announced but president obama is expected to fly to south africa to attend. >> well mandela impact on his country can not be overstated nor can the legacy he leaves behind for the rest of the world including here in the bay area. lee ann is in berkeley. >>reporter: june 1990 nelson mandela was released from prison few months earlier. 58,000 people packed the oakland coliseum to see and hear him. mandela delivered a message of thanks and hope. >> it is you that people of oakland, the people of the bay area who have given me and my delegation hope to continue the struggle. >>reporter: state senator hancock was on stage with mandela that day. back then she was the mayor of berkeley and the city council had already voted to sanction south africa. >> take turned out to be a movement that grew. east bay was the first place. the city of the east bay, the city of berkeley. >>reporter: our check was there as well. he's now the executive director of oakland cypress mandela training center. >> first of all i remember that he was very powerful with just spirit. his spirit overco